rdbms: mention wait time in LoadBalancer::safeWaitForMasterPos() error logging

Change-Id: I134e58949bab25e73874ea29d1b306e4fffa6ef9

diff --git a/includes/libs/rdbms/loadbalancer/LoadBalancer.php b/includes/libs/rdbms/loadbalancer/LoadBalancer.php
index ffb7a34..4787edc 100644 (file)
--- a/includes/libs/rdbms/loadbalancer/LoadBalancer.php
+++ b/includes/libs/rdbms/loadbalancer/LoadBalancer.php
@@ -1961,12 +1961,15 @@ class LoadBalancer implements ILoadBalancer {
                }
 
                if ( $pos instanceof DBMasterPos ) {
+                       $start = microtime( true );
                        $result = $conn->masterPosWait( $pos, $timeout );
+                       $seconds = max( microtime( true ) - $start, 0 );
                        if ( $result == -1 || is_null( $result ) ) {
-                               $msg = __METHOD__ . ': timed out waiting on {host} pos {pos}';
+                               $msg = __METHOD__ . ': timed out waiting on {host} pos {pos} [{seconds}s]';
                                $this->replLogger->warning( $msg, [
                                        'host' => $conn->getServer(),
                                        'pos' => $pos,
+                                       'seconds' => round( $seconds, 6 ),
                                        'trace' => ( new RuntimeException() )->getTraceAsString()
                                ] );
                                $ok = false;